pSOSystem System Calls - Read

pHILE+ System Calls create_f
create_f Creates a data file.
#include
unsigned long create_f(
char *name, /* pathname */
unsigned long expand_unit, /* expansion factor */
unsigned long mode /* access mode */
)
Volume Types
Description
Arguments
All volume types (except CD-ROM); however, expand_unit is meaningful only on
pHILE+ formatted volumes, and mode is meaningful only on NFS volumes.
create_f() creates a new ordinary file.
name Points to the null-terminated pathname of the file to create.
expand_unit For pHILE+ formatted volumes only, specifies the number of
contiguous blocks to add whenever the file is expanded
during a write_f() system call.
mode For NFS volumes only, specifies the access modes associated
with the file, and is the result of an OR operation performed
on the following constants (defined in ).
Mnemonic Description
S_ISUID Set user ID on execution
S_ISGID Set group ID on execution
S_IRUSR Read permission, owner
S_IWUSR Write permission, owner
S_IXUSR Execute/search permission, owner
S_IRGRP Read permission, group
S_IWGRP Write permission, group
pSOSystem System Calls 2-25
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